CN104409182A - Alternate-current disc suspension type bell-shaped ceramic compound insulator special for 420KN - Google Patents
Alternate-current disc suspension type bell-shaped ceramic compound insulator special for 420KN Download PDFInfo
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- CN104409182A CN104409182A CN201410699864.7A CN201410699864A CN104409182A CN 104409182 A CN104409182 A CN 104409182A CN 201410699864 A CN201410699864 A CN 201410699864A CN 104409182 A CN104409182 A CN 104409182A
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Abstract
The invention discloses an alternate-current disc suspension type bell-shaped ceramic compound insulator special for 420KN. The insulator comprises a steel cap, a ceramic disc, a groove and a steel pin. The diameter of the insulator is of 400mm, the creepage distance is of 550mm, and the ceramic disc and the groove are coated with vulcanized silicone rubber with the thickness of 6mm. Since the 6mm external insulating component is formed on the surface of an insulator body in a vulcanized manner, the steep wave resistance of the insulator is improved greatly, and the ceramic compound insulator is capable of passing a test of 2.85 times of negative lightning impulse voltage by the amplitude method; according to an artificial contamination test, the insulator has fine contamination resistance under IV stage contamination, and the contamination flashover resistance of the insulator is at least 1.8 times of that of a disc suspension type bell-shaped ceramic insulator on the conditions of consistent salt deposit density and dust deposit density.
Description
Technical field
The invention belongs to cap and pin insulator technical field, particularly relate to a kind of interchange disc suspension bell shape porcelain composite insulator being exclusively used in 420KN.
Background technology
Current, many provinces and cities of China, when especially the meteorological condition such as sleet, snow melt occurs the transmission line of provinces and cities in the north in the winter time, the insulator string that there will be vertical suspension is slipped bridge joint phenomenon by ice, the dielectric strength of the insulator string be bridged significantly reduces, and very easily flashover fault occurs.
For avoiding insulator string to be slipped bridge joint by ice, the multiple directions of people to insulator technology are developed, and wherein, tremble ripple tolerance and the anti-pollution ability that improve insulator become a Main way in people's research.
Summary of the invention
The object of this invention is to provide a kind of interchange disc suspension bell shape porcelain composite insulator being exclusively used in 420KN, tremble ripple tolerance and anti-pollution ability with what improve insulator.
In order to realize object of the present invention, the invention provides a kind of interchange disc suspension bell shape porcelain composite insulator being exclusively used in 420KN, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 400mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.
The present invention, compared with prior art, the external insulation parts of the thick sulfuration of 6 ㎜ are formed at insulator surface by optimization silicone rubber formulations and processing technology, increase substantially and exchange disc suspension bell shape porcelain composite insulator steep wave tolerance, can by the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage examinations; Because high temperature silicone rubber formula is unique, technique is advanced, the sulphurated siliastic umbrella cover of 6 millimeters thick formed is determined through artificial pollution test, disc suspension bell shape porcelain composite insulator has good anti-pollution characteristic under the filth of IV level, close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure, 1-steel cap, 2-porcelain umbrella disk, 3-groove, 4-steel pin, 5-sulphurated siliastic umbrella cover.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
As shown in Figure 1, the invention provides a kind of interchange disc suspension bell shape porcelain composite insulator being exclusively used in 420KN, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 400mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.
420KN exchanges disc suspension bell shape porcelain composite insulator according to the definition of Q/GDW 167-2007 to insulator name of product, carry out technical thought expansion to innovate with product structure: based on the traditional standard that exchanges disc suspension bell shape porcelain insulator, develop a kind of novel interchange disc suspension bell shape porcelain composite insulator being applicable to AC extra high voltage transmission line, high filthy area.By standard AC disc suspension bell shape porcelain or glass insulator high-temperature silicon disulfide rubber, porcelain umbrella disk and groove special formulation high-temperature silicon disulfide rubber are wrapped up comprehensively, adopt the low-temp low-pressure technology vulcanizing mold of original creation molded, form the sulphurated siliastic umbrella cover of 6 millimeters thick.
Wherein, compound umbrella cover insulating material refers to and forms the external insulation parts of the thick sulfuration of 6 ㎜ by optimizing silicone rubber formulations and processing technology at insulator surface, increase substantially and exchange disc suspension bell shape porcelain composite insulator steep wave tolerance, can by the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage examinations.
Because high temperature silicone rubber formula is unique, technique is advanced, the sulphurated siliastic umbrella cover of 6 millimeters thick formed is determined through artificial pollution test, disc suspension bell shape porcelain composite insulator has good anti-pollution characteristic under the filth of IV level, close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
Product provided by the invention, meets GB/T19443-2004 " nominal voltage is higher than the overhead transmission line insulator-direct current system porcelain of 1000V or glass insulation sub-element-definition, test method and acceptance criteria " requirement.Room temperature vulcanized silicone rubber used, sealing compound, related request by DL/T 627 " Prospect on RTV of Solidified Silicon Rubber in Normal Temperature for Insulator " standard.The present invention exchanges disc suspension bell shape porcelain composite insulator, meet Q/GDW167-2007 " AC system dish type porcelain or glass compound full skirt insulator element ", " nominal voltage is higher than 1000V overhead transmission line composite insulator-definition for GB/T19519-2004, test method and acceptance criteria " and GB/T 1001.1-2003 " nominal voltage is higher than the interchange overhead transmission line composite insulator-definition of 1000V, test method and acceptance criteria ", the related request of DL/T-2006 " nominal voltage uses directive/guide part 1 higher than 1000V overhead transmission line insulator: AC system porcelain or glass insulator " DL/T810-2012 " ± 500kV and above direct current composite rod insulator technical conditions " etc.
The present invention, except meeting above-mentioned requirements, also reaches following requirement:
1. impulse breakdown resistance test in air after poach, meets the requirement of " GB/T20642-2006 " standard, according to the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage steep waves examinations;
2. by the accelerated aging test of 1000 hours;
3. close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. one kind is exclusively used in the interchange disc suspension bell shape porcelain composite insulator of 420KN, it is characterized in that, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 400mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699864.7A CN104409182A (en) | 2014-11-27 | 2014-11-27 | Alternate-current disc suspension type bell-shaped ceramic compound insulator special for 420KN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699864.7A CN104409182A (en) | 2014-11-27 | 2014-11-27 | Alternate-current disc suspension type bell-shaped ceramic compound insulator special for 420KN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104409182A true CN104409182A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410699864.7A Pending CN104409182A (en) | 2014-11-27 | 2014-11-27 | Alternate-current disc suspension type bell-shaped ceramic compound insulator special for 420KN |
Country Status (1)
| Country | Link |
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| CN (1) | CN104409182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409448A (en) * | 2016-10-26 | 2017-02-15 | 国家电网公司 | Anti-pollution flashover composite insulator and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997038425A1 (en) * | 1996-04-03 | 1997-10-16 | Serge Gagne | Electrical insulator having sheds |
| CN203406100U (en) * | 2013-01-23 | 2014-01-22 | 天津市新玻电力复合绝缘子制造有限公司 | Novel disk-shaped suspension type composite insulator |
-
2014
- 2014-11-27 CN CN201410699864.7A patent/CN104409182A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997038425A1 (en) * | 1996-04-03 | 1997-10-16 | Serge Gagne | Electrical insulator having sheds |
| CN203406100U (en) * | 2013-01-23 | 2014-01-22 | 天津市新玻电力复合绝缘子制造有限公司 | Novel disk-shaped suspension type composite insulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409448A (en) * | 2016-10-26 | 2017-02-15 | 国家电网公司 | Anti-pollution flashover composite insulator and preparation method thereof |
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Application publication date: 20150311 |
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| RJ01 | Rejection of invention patent application after publication |